BR9800689A - Circuit to eliminate noise from the radiated electric field in a video display device - Google Patents

Circuit to eliminate noise from the radiated electric field in a video display device

Info

Publication number: BR9800689A
Authority: BR; Brazil
Prior art keywords: circuit; display device; electric field; video display; eliminate noise
Prior art date: 1997-02-15

Application number

BR9800689A

Other languages

Portuguese (pt)

Inventor

Dong Sun Hwang

Gun Su Song

Original Assignee

Lg Electronics Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1997-02-15

Filing date

1998-02-16

Publication date

1999-06-29

1997-02-15 Priority claimed from KR1019970004558A external-priority patent/KR100250517B1/en

1997-04-22 Priority claimed from KR2019970008412U external-priority patent/KR200201705Y1/en

1998-02-16 Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc

1999-06-29 Publication of BR9800689A publication Critical patent/BR9800689A/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
- H04N3/185—Maintaining DC voltage constant
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
- H01J2229/0015—Preventing or cancelling fields leaving the enclosure

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Details Of Television Scanning (AREA)

BR9800689A 1997-02-15 1998-02-16 Circuit to eliminate noise from the radiated electric field in a video display device BR9800689A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1019970004558A KR100250517B1 (en)	1997-02-15	1997-02-15	Ripple noise canceller circuit of image apparatus
KR2019970008412U KR200201705Y1 (en)	1997-04-22	1997-04-22	High voltage ripple exclusion circuit to generation in front of braun tube

Publications (1)

Publication Number	Publication Date
BR9800689A true BR9800689A (en)	1999-06-29

Family

ID=26632519

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9800689A BR9800689A (en)	1997-02-15	1998-02-16	Circuit to eliminate noise from the radiated electric field in a video display device

Country Status (6)

Country	Link
US (1)	US5986406A (en)
CN (1)	CN1164080C (en)
BR (1)	BR9800689A (en)
GB (1)	GB2322270B (en)
ID (1)	ID19898A (en)
MX (1)	MX9801232A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012015404A1 (en)	2010-07-29	2012-02-02	Empire Technology Development Llc	Acoustic noise management through control of electrical device operations
WO2012064063A2 (en) *	2010-11-09	2012-05-18	Park Chan-Woong	Magnetic energy-transmitting element and power source device for cancelling out electrical noise

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69022731T2 (en) *	1990-11-27	1996-05-02	Ibm	Cathode ray tube display apparatus.
EP0500349B1 (en) *	1991-02-20	1996-01-03	Nanao Corporation	Apparatus for suppressing field radiation from display device
US5151635A (en) *	1991-06-20	1992-09-29	Apple Computer, Inc.	Apparatus and method for reducing the magnitude of time varying electric fields in CRT displays
DE4123565C1 (en) *	1991-07-16	1992-09-17	Tandberg Data A/S, Oslo, No
GB2273230A (en) *	1992-12-02	1994-06-08	Ibm	Cancelling radiated electric fields in crt displays
JP3277601B2 (en) *	1993-03-31	2002-04-22	ソニー株式会社	Leakage electric field canceling device for CRT display
GB2279216A (en) *	1993-06-15	1994-12-21	Ibm	Cathode ray tube display with cancellation of electric field emission
KR100190160B1 (en) *	1995-10-27	1999-06-01	윤종용	A circuit for shielding electric field of image displayer
KR100225045B1 (en) *	1996-05-13	1999-10-15	구자홍	Front field noise suppression device of video display device

1998
- 1998-02-13 MX MX9801232A patent/MX9801232A/en not_active IP Right Cessation
- 1998-02-13 US US09/023,875 patent/US5986406A/en not_active Expired - Fee Related
- 1998-02-16 ID IDP980207A patent/ID19898A/en unknown
- 1998-02-16 CN CNB981005349A patent/CN1164080C/en not_active Expired - Fee Related
- 1998-02-16 BR BR9800689A patent/BR9800689A/en active Search and Examination
- 1998-02-16 GB GB9803321A patent/GB2322270B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2322270B (en)	1999-06-09
ID19898A (en)	1998-08-20
GB9803321D0 (en)	1998-04-15
US5986406A (en)	1999-11-16
GB2322270A (en)	1998-08-19
CN1191444A (en)	1998-08-26
CN1164080C (en)	2004-08-25
MX9801232A (en)	1998-11-30

Publication	Publication Date	Title
DE69504841D1 (en)	1998-10-22	ELECTRONIC VIEWING AID
DE69716885D1 (en)	2002-12-12	ELECTRONIC DEVICE WITH ADDITIONAL HOUSING
DE69824216D1 (en)	2004-07-08	Autostereoscopic display device
DE69805073D1 (en)	2002-05-29	AUTOSTEREOSCOPIC DISPLAY DEVICE
DE69841721D1 (en)	2010-07-29	DISPLAY DEVICE
DE69833257D1 (en)	2006-04-06	DISPLAY DEVICE
DE59814163D1 (en)	2008-03-20	display device
DE69528145D1 (en)	2002-10-17	Autostereoscopic display device
DE69939303D1 (en)	2008-09-25	Flat display device
DE69724340D1 (en)	2003-10-02	Flat display device
DE69525514D1 (en)	2002-03-28	display device
DE59802092D1 (en)	2001-12-13	DISPLAY DEVICE
DE69529243D1 (en)	2003-02-06	Inexpensive after viewing device
DE69839966D1 (en)	2008-10-16	DISPLAY DEVICE
DE69840144D1 (en)	2008-12-04	display device
DE69516248D1 (en)	2000-05-18	DISPLAY DEVICE
DE69824265D1 (en)	2004-07-08	DISPLAY DEVICE
DE69522270D1 (en)	2001-09-27	Display device
DE69508682D1 (en)	1999-05-06	Display device
NO994698L (en)	2001-03-28	Viewer devices
FI972713L (en)	1998-12-25	Display device
DE69927874D1 (en)	2005-12-01	Image display device
DE69806329D1 (en)	2002-08-08	DISPLAY DEVICE
DE59807227D1 (en)	2003-03-27	display device
DE69814512D1 (en)	2003-06-18	display device

Legal Events

Date	Code	Title
2008-12-16	B06A	Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
2009-08-18	B09A	Decision: intention to grant [chapter 9.1 patent gazette]
2010-06-08	B11D	Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time